199317768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{638839}}^1$

素因数の和:638861

約数の個数: 32

約数和(自身を含む): 536625600

約数和(自身を除く): 337307832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 638839, 1277678, 1916517, 2555356, 3833034, 5110712, 7666068, 8304907, 15332136, 16609814, 24914721, 33219628, 49829442, 66439256, 99658884, 199317768]

約数ペア:

[(1, 199317768), (2, 99658884), (3, 66439256), (4, 49829442), (6, 33219628), (8, 24914721), (12, 16609814), (13, 15332136), (24, 8304907), (26, 7666068), (39, 5110712), (52, 3833034), (78, 2555356), (104, 1916517), (156, 1277678), (312, 638839)]